/Engine/Source/Runtime/Engine/Public/CharacterMovementComponentAsync.h
virtual bool CheckFall ( const [FFindFloorResult](API\Runtime\Engine\FFindFloorResult) & OldFloor, const [FHitResult](API\Runtime\Engine\Engine\FHitResult) & Hit, const FVector & Delta, const FVector & OldLocation, float remainingTime, float timeTick, int32 Iterations, bool bMustJump, [FCharacterMovementComponentAsyncOutput](API\Runtime\Engine\FCharacterMovementComponentAsync-_2) & Output ) const